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Finding the Third Proportional to 3,988,248 and 8,698,296

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Solution

The third proportional to 3,988,248 and 8,698,296 is: 18,970,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988,248 : 8,698,296 = 8,698,296 : x
  2. Step 2: Convert to fraction form
    3,988,248/8,698,296 = 8,698,296/x
  3. Step 3: Cross multiply
    3,988,248x = 8,698,296 × 8,698,296
  4. Step 4: Simplify right side
    3,988,248x = 75,660,353,303,616
  5. Step 5: Solve for x
    x = 75,660,353,303,616/3,988,248
  6. Step 6: Final answer
    x = 18,970,824.61

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.